‘Line of Duty’ Season 4 episode guide: What happens next?
Police corruption drama Line of Duty returns for a fourth season, moving to BBC One. Written and created by Jed Mercurio, the six new episodes introduce Westworld star Thandie Newton as AC12’s “most devious opponent yet”, DCI Roz Huntley, with returning regulars Martin Compston, Vicky McClure and Adrian Dunbar joined by Jason Watkins (Being Human), Lee Ingleby (The … >